They release carbon dioxide, a potent greenhouse gas, into the atmosphere when burned. Greenhouse gases trap heat from the sun in the Earth's atmosphere, causing temperatures to rise.
Graduated Cylinder. This is commonly used during labs that need a precise measurement of a liquid.
La Niña is a coupled ocean-atmosphere phenomenon that is the counterpart of El Niño as part of the broader El Niño–Southern Oscillation climate pattern. The name La Niña originates from Spanish, meaning "the little girl", analogous to El Niño meaning "the little boy".
Because wood has a very high specific heat, in opposition to that of metal, whose specific heat is multitudes lower, meaning it will take astronomically longer for a user holding a pot of boiling water to get burned (because the wood will not get up to the temperature of the water for a very long time) than if the handles were metal.
(paraphrase as needed OP)